Museo Sans is a sans-serif font. It goes well with Museo Slab, Freight Sans Pro, Brandon Grotesque, Museo Sans Rounded, Garamond Premier, Adelle, FC Kaiser, Helvetica Neue, Museo and Adobe Caslon. If you're thinking about using Museo Sans then try 32px for headers. Give 11px a shot for content.
People commonly tag it as photo, modern, writing, design, list, tech, ui, agency, travel and elegant. You can get it from Font Squirrel, Fontdeck, Fonts.com, Fontshop, Fontspring, MyFonts and Typekit.